my Ford Explorer Fifth Generation (2011-2019) won’t start what could be causing this

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

573 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix the no-start issue in Ford Explorer (2011-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before performing any inspections on the starter or ignition system.

Symptoms

•Check engine light illuminated
•No sound when turning the key (no crank)
•Clicking noise from the starter relay
•Dashboard lights dim or flicker
•Battery warning light on
•Electrical accessories (e.g., radio, lights) functioning intermittently

Diagnostic Steps

1
Check the battery voltage with a multimeter; a healthy battery should read 12.6 volts or higher.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the starter relay by swapping it with a similar relay in the fuse box.
4
Scan for error codes using an OBD-II scanner to identify any underlying issues.
5
Inspect the ignition switch for proper operation and continuity.
6
Check fuses related to the starting system for continuity.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Multimeter
•Socket set
•OBD-II scanner
•Torque wrench

Parts Required

•New battery (if needed)
•Starter relay (if faulty)
•Starter motor (if faulty)
•Ignition switch (if faulty)

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Diagnostic Steps

1
Check the battery voltage with a multimeter; a healthy battery should read 12.6 volts or higher.
2
Inspect battery terminals for corrosion or loose connections.
3
Test the starter relay by swapping it with a similar relay in the fuse box.
4
Scan for error codes using an OBD-II scanner to identify any underlying issues.
5
Inspect the ignition switch for proper operation and continuity.
6
Check fuses related to the starting system for continuity.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the negative battery terminal to ensure safety during repairs.
Tools Required: Multimeter, socket set, OBD-II scanner, torque wrench.

2. Battery Inspection and Replacement

Sub-steps:
1. Remove the negative terminal first, followed by the positive terminal.
2. Clean any corrosion from the terminals using a wire brush and a mixture of baking soda and water.
3. If the battery voltage is below 12.4 volts, recharge or replace the battery.
4. Reconnect the positive terminal first, then the negative terminal.

3. Starter Relay and Fuse Inspection

Sub-steps:
1. Locate the starter relay in the fuse box (refer to the owner’s manual for location).
2. Remove the starter relay and test it with a multimeter for continuity.
3. If faulty, replace it with a new relay.
4. Check relevant fuses and replace any that are blown.

4. Starter Motor Testing

Sub-steps:
1. Locate the starter motor (under the vehicle near the transmission).
2. Disconnect the wiring harness from the starter.
3. Use a multimeter to test for voltage at the starter terminal when the key is turned to the start position.
4. If voltage is present and the starter does not engage, replace the starter motor.

5. Ignition Switch Check

Sub-steps:
1. Remove the plastic cover around the steering column.
2. Locate the ignition switch and disconnect the wiring harness.
3. Test the switch with a multimeter for continuity in the "Start" position.
4. Replace the ignition switch if it does not show continuity.